JP2000078709A - Waterproof device for outdoor type switchboard - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent infiltration into the inside of water droplets, and to simplify assembly operation and conduct assembly operation accurately in a short time, by joining both end sections of a bottom plate at the upper ends of both intermediate plates and both vertical plates, installing both end sections of a horizontal frame material onto the front of the upper end section of a vertical frame material, and guiding water droplets to a lower section by a drip guiding section. SOLUTION: Both end sections 21 of a horizontal frame material 19 are abutted against the fronts of the upper end sections 17 of both vertical frame materials 14 while both end sections of a bottom plate 20 are placed and joined at the upper ends of both intermediate plates 16 and both vertical plates 18 and the horizontal frame material 19 is mounted on both vertical frame materials 14 by rivet connecting means 25. Water droplets dropped onto the bottom plate 20 of the horizontal frame material 19 are guided to lower sections by drip guiding sections 23 at both ends of the bottom plate 20 and dropped. Accordingly, creeping onto the underside of the bottom plate 20 of water droplets is prevented. Assembly operation is simplified because no welding work is used, and the waterproof device can be assembled accurately in a short time.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a waterproof device for an outdoor switchboard, which prevents water from flowing when a rivet is assembled.

[0002]

2. Description of the Related Art An outdoor type switchboard using a conventional welding connection has been developed.
A description will be given based on FIGS. 7 and 8. 1 is a box body of an outdoor type switchboard, 2 and 3 are vertical frame members and horizontal frame members formed in a frame shape on the front surface of the box body 1, 4 is an L-shaped cutting plane composed of a middle plate 5 and a vertical plate 6. 7 is an L-shaped horizontal flange having a cut side surface composed of a bottom plate 8 and a horizontal plate 9, and the upper end of the middle plate 5 on both sides and both ends of the bottom plate 8 are welded.
7 to form a frame.

[0003] Reference numeral 10 denotes a square corner contact plate, whose two adjacent sides are welded to the upper end of the vertical plate 6 and the end of the horizontal plate 9, and the rear edges of the middle plate 5 and the bottom plate 8 are formed by the inner edge of the vertical frame member 2. And is welded to the inner edge of the horizontal frame member 3.

[0004] 11 is a flat cover, 12 is a cover 11
, And a peripheral portion of the cover 11 is attached to the vertical plate 6 and the horizontal plate 9.

[0005]

In the case of the conventional outdoor switchboard, since the joints of the respective members are welded, intrusion into rainwater is prevented, but adjustment and welding work at the time of assembly are not performed. There is a problem that it is extremely complicated and takes a long time.

SUMMARY OF THE INVENTION The present invention has been made in consideration of the above points, and has been made in consideration of the above-mentioned circumstances. It is intended to provide a waterproof device.

[0007]

In order to solve the above-mentioned problems, a waterproof device for an outdoor switchboard according to the present invention comprises a vertical frame member on both front sides of the outdoor switchboard and an inner edge of the vertical frame member other than an upper end portion. From the front edge of the middle plate, and a vertical plate formed by bending outward from the front edge of the middle plate, and bent forward from the lower edges other than both ends of the horizontal frame material. A bottom plate formed as above, a horizontal plate formed by bending upward from a front edge of the bottom plate, and both ends of the bottom plate are joined to upper ends of the middle plates and the vertical plates, and the horizontal plate is formed. A rivet connecting means having both ends of the frame material attached to the front surface of the upper end of the vertical frame material, and a drip guiding portion formed at both ends of the bottom plate for guiding water droplets downward.

Accordingly, since both ends of the horizontal frame member are rivet-connected to the upper end portion of the vertical frame member, and no welding connection is used for connection of each member, the assembling work is simplified, and can be performed accurately in a short time. Since the drop guiding portions are formed at both ends of the bottom plate of the horizontal frame material, the water droplets on the bottom plate do not go around the lower surface of the bottom plate, and the water drops can be guided downward, and the penetration of the water drops into the inside can be prevented.

Further, a peripheral portion of a flat plate-shaped cover is attached to the horizontal plate of the horizontal frame member and the vertical plate of the vertical frame member in contact with each other, and a rearward bent plate is formed on the peripheral edge of the cover, and the upper bent portion is formed. A drop guiding piece is formed downward on the rear edge of the plate.

In this case, water droplets from the rear edge of the upper folding plate are prevented from being guided by the dripping guide pieces and dripping downward, and circling to the lower surface of the upper folding plate.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described with reference to FIGS. 13 is a box body of an outdoor type switchboard, 14 is a vertical frame material on both front sides of the box body 13,
It is formed by bending inward from the front edge of the side plate 15 of the box 13. Reference numeral 16 denotes an intermediate plate, which is formed by bending forward from an inner edge of the vertical frame member 14 other than the upper end portion 17. 1
Reference numeral 8 denotes a vertical plate, which is formed by bending outward from the front edge of the middle plate 16, and the cut plane of the vertical frame member 14, the middle plate 16 and the vertical plate 18 has a U-shape.

Reference numeral 19 denotes a horizontal frame member, and reference numeral 20 denotes a bottom plate, which is formed by bending forward from a lower edge of the horizontal frame member 19 except for both ends 21. Reference numeral 22 denotes a horizontal plate, which is formed by bending upward from the front edge of the bottom plate 20, and the cut side surfaces of the horizontal frame member 19, the bottom plate 20, and the horizontal plate 22 are U-shaped with corners.
It is shaped like a letter. Reference numeral 23 denotes an inverted triangular dripping guide portion, which is formed at both ends of the bottom plate 20 by bending downward.
Reference numeral 24 denotes an upper plate formed by bending the upper edge of the horizontal frame member 19 forward.

Then, both ends 21 of the horizontal frame member 19 are formed.
Are in contact with the front surfaces of the upper ends 17 of the two vertical frame members 14, and both ends of the bottom plate 20 are
8 and are joined together, and the horizontal frame member 19 is mounted on both vertical frame members 14 by the rivet connection means 25.

Reference numeral 26 denotes a flat cover, and 27 denotes a cover 26.
A bent plate 28 formed by bending backward from the peripheral edge of the cover 26 is a dripping guide piece, and is formed by bending downward from the rear edge of the upper bent plate 27 so that the peripheral edge of the cover 26 is horizontal. It is attached in contact with the plate 22 and the vertical plate 18.

The joint between the bottom plate 20, the middle plate 16 and the vertical plate 18 is subjected to caulking just in case.

In the case of the above-described embodiment, the water droplets that have fallen from the bent plate 27 on the upper side of the cover 26 to the bottom plate 20 of the horizontal frame member 19 are guided by the horizontal frame member 19, the bottom plate 20 and the horizontal plate 22, and both ends of the bottom plate 20 The bottom plate 20 is guided downward by the drip guiding portions 23 at both ends of the bottom plate 20 and dripped.
0 is prevented from wrapping around the lower surface.

Further, since a downward dripping guide piece 28 is formed at the rear edge of the bent plate 27 on the upper side of the cover 26,
Water droplets from the rear end of the upper bent plate 27 are
And is dropped on the bottom plate 20 and is prevented from wrapping around the lower surface of the upper bent plate 27.

In addition, since the horizontal frame member 19 is mounted on the vertical frame member 14 by the rivet connecting means 25 and welding work is not used as in the conventional case, the assembling operation is simplified.
Assembly can be performed accurately in a short time.

As shown in FIG. 6, the drip guiding portion 23 may be formed in a concave shape with openings at both side ends of the bottom plate 20 by pressing.

[0020]

Since the present invention is configured as described above, it has the following effects. On the vertical frame members 14 on both sides of the front surface of the outdoor type switchboard, a middle plate 16 extending from the inner edge other than the upper end portion 17 and a vertical plate 18 extending outward from the front edge of the middle plate 16 are formed. A bottom plate 20 is formed forward from a lower edge other than both end portions 21 and a horizontal plate 22 is formed upward from a front edge of the bottom plate 20.
9 are attached to the upper end portion 17 of the vertical frame member 14 by the rivet connection means 25, so that the welding work is not used for connecting the respective members, the assembly work is simplified, and the Can be assembled with high accuracy.

Further, since the drip guiding portions 23 are formed at both ends of the bottom plate 20 of the horizontal frame member 19, the water droplets are guided downward, and the water droplets of the bottom plate 20 do not go around the lower surface of the bottom plate 20 but go inside the water droplets. Can be prevented from entering.

Further, by forming a downward drip guide piece 28 at the rear edge of the bent plate 27 on the upper rear side of the cover 26, water droplets are guided by the drip guide piece 28 and drip downward. It is possible to prevent the curved plate 27 from wrapping around the lower surface.

[Brief description of the drawings]

FIG. 1 is a perspective view of a part of a first embodiment of the present invention from which a cover is removed.

FIG. 2 is an exploded perspective view of FIG.

FIG. 3 is a cutaway front view of FIG. 1 with a cover attached.

FIG. 4 is a cutaway plan view of FIG. 3;

FIG. 5 is a cut left side view of FIG. 3;

FIGS. 6A and 6B are a partial perspective view and a cutaway front view of another embodiment of FIG.

FIG. 7 is a perspective view of a conventional example.

FIG. 8 is a cut left side view of FIG. 7;

[Explanation of symbols]

 14 vertical frame material 16 middle plate 17 upper end portion 18 vertical plate 19 horizontal frame material 20 bottom plate 21 end 22 horizontal plate 23 drip guiding portion 25 rivet connection means 26 cover 27 bent plate 28 drip guiding piece

 ────────────────────────────────────────────────── ─── Continued on the front page (72) Inventor Tsutomu Yamashita 47-Umezu Takaune-cho, Ukyo-ku, Kyoto Nissin Electric Co., Ltd. F-term (reference) 5G016 AA01 CA06 CA13 CG22

Claims (2)

[Claims] 1. A vertical frame member on both sides of a front surface of an outdoor switchboard, a middle plate formed by bending forward from an inner edge other than an upper end portion of the vertical frame member, and an outer side from a front edge of the middle plate. A vertical plate formed by bending the bottom frame, a bottom plate formed by bending forward from a lower edge other than both ends of the horizontal frame material, and a bottom plate formed by bending upward from a front edge of the bottom plate. A rivet connection means in which both ends of the bottom plate are joined to upper ends of the middle plates and both vertical plates, and both ends of the horizontal frame member are mounted on front surfaces of upper ends of the vertical frame members. A waterproof device for an outdoor switchboard, comprising: drip guide portions formed at both ends of the bottom plate for guiding water droplets downward. 2. The plate according to claim 1, wherein a peripheral portion of the flat cover is attached to the horizontal plate and the vertical plate so as to abut against the horizontal plate and the vertical plate, and a rearward bent plate is formed on the peripheral edge of the cover. 2. A waterproof device for an outdoor switchboard according to claim 1, wherein a drip guide piece for guiding a water drop downward is formed at a trailing edge of the switchboard.